Shared flowchart

Astronomy · L5 · Hierarchical Structure Formation and Galaxy Assembly · flowchart

by @openstemUpdated Astronomy
Primordial densityperturbations (from inflation)Small dark matter haloscollapse first (bottom-up)Halos merge hierarchicallyover cosmic timeGas falls into halopotential wells, shock-heatsCan gas coolefficiently?Gas condenses,forms starsGas stays hot,star formation suppressedFeedback (supernovae, AGN)self-regulates further growthPresent-day galaxy:ellipticals from major mergers,spirals from quiescent accretionYes (low/mid-mass halos)No (massive halos)

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